Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in southeastern Ohio and west-central West Virginia [map] : by Laure G. Wallace, John B. Roen and Wallace de Witt, Jr.
Devonian black shales in southeastern Ohio and west-central West Virginia Radioactive zones in the Devonian black shales in southeastern Ohio and west-central West Virginia
Cartographic Mathematical Data
Scale not given.
Note
Prepared in cooperation with the Division of Energy.